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28535492608 = 21273191069
BaseRepresentation
bin11010100100110110…
…010001000000000000
32201122200120012220121
4122210312101000000
5431420041230413
621035314350024
72030064454000
oct324466210000
981580505817
1028535492608
11111135a5a47
12564458b314
1328c9b4bb8c
141549b44000
15b20290b8d
hex6a4d91000

28535492608 has 208 divisors, whose sum is σ = 70114960000. Its totient is φ = 11575001088.

The previous prime is 28535492581. The next prime is 28535492611. The reversal of 28535492608 is 80629453582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26693098 + ... + 26694166.

Almost surely, 228535492608 is an apocalyptic number.

28535492608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28535492608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35057480000).

28535492608 is an abundant number, since it is smaller than the sum of its proper divisors (41579467392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28535492608 is an equidigital number, since it uses as much as digits as its factorization.

28535492608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 28535492608 in words is "twenty-eight billion, five hundred thirty-five million, four hundred ninety-two thousand, six hundred eight".